<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>类选择器</title>
		<style type="text/css">
			td{
				border: 1px solid blue;
			}
			#mytable{
				
				width: 260px;
				border-width: 5px;
				border-style: double;
				border-color: gray;
				border-collapse: collapse;
			}
			#mytb{
				background-color: #FEDCBA;
				text-align: center;
				font-size: 16px;
				font-style: italic;
			}
		</style>
	</head>
	<body>
		<table id="mytable">
			<tr>
				<td>单元格</td>
				<td>单元格</td>
				<td id="mytb">单元格</td>
			</tr>
			<tr>
				<td>单元格</td>
				<td>单元格</td>
				<td>单元格</td>
			</tr>
		</table>
	</body>
</html>
